diff options
Diffstat (limited to 'src/glsl/glsl_lexer.cpp')
| -rw-r--r-- | src/glsl/glsl_lexer.cpp | 3174 |
1 files changed, 3174 insertions, 0 deletions
diff --git a/src/glsl/glsl_lexer.cpp b/src/glsl/glsl_lexer.cpp new file mode 100644 index 00000000000..e3e89195b2c --- /dev/null +++ b/src/glsl/glsl_lexer.cpp @@ -0,0 +1,3174 @@ +#line 2 "glsl_lexer.cpp" + +#line 4 "glsl_lexer.cpp" + +#define YY_INT_ALIGNED short int + +/* A lexical scanner generated by flex */ + +#define FLEX_SCANNER +#define YY_FLEX_MAJOR_VERSION 2 +#define YY_FLEX_MINOR_VERSION 5 +#define YY_FLEX_SUBMINOR_VERSION 35 +#if YY_FLEX_SUBMINOR_VERSION > 0 +#define FLEX_BETA +#endif + +/* First, we deal with platform-specific or compiler-specific issues. */ + +/* begin standard C headers. */ +#include <stdio.h> +#include <string.h> +#include <errno.h> +#include <stdlib.h> + +/* end standard C headers. */ + +/* flex integer type definitions */ + +#ifndef FLEXINT_H +#define FLEXINT_H + +/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */ + +#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + +/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h, + * if you want the limit (max/min) macros for int types. + */ +#ifndef __STDC_LIMIT_MACROS +#define __STDC_LIMIT_MACROS 1 +#endif + +#include <inttypes.h> +typedef int8_t flex_int8_t; +typedef uint8_t flex_uint8_t; +typedef int16_t flex_int16_t; +typedef uint16_t flex_uint16_t; +typedef int32_t flex_int32_t; +typedef uint32_t flex_uint32_t; +#else +typedef signed char flex_int8_t; +typedef short int flex_int16_t; +typedef int flex_int32_t; +typedef unsigned char flex_uint8_t; +typedef unsigned short int flex_uint16_t; +typedef unsigned int flex_uint32_t; + +/* Limits of integral types. */ +#ifndef INT8_MIN +#define INT8_MIN (-128) +#endif +#ifndef INT16_MIN +#define INT16_MIN (-32767-1) +#endif +#ifndef INT32_MIN +#define INT32_MIN (-2147483647-1) +#endif +#ifndef INT8_MAX +#define INT8_MAX (127) +#endif +#ifndef INT16_MAX +#define INT16_MAX (32767) +#endif +#ifndef INT32_MAX +#define INT32_MAX (2147483647) +#endif +#ifndef UINT8_MAX +#define UINT8_MAX (255U) +#endif +#ifndef UINT16_MAX +#define UINT16_MAX (65535U) +#endif +#ifndef UINT32_MAX +#define UINT32_MAX (4294967295U) +#endif + +#endif /* ! C99 */ + +#endif /* ! FLEXINT_H */ + +#ifdef __cplusplus + +/* The "const" storage-class-modifier is valid. */ +#define YY_USE_CONST + +#else /* ! __cplusplus */ + +/* C99 requires __STDC__ to be defined as 1. */ +#if defined (__STDC__) + +#define YY_USE_CONST + +#endif /* defined (__STDC__) */ +#endif /* ! __cplusplus */ + +#ifdef YY_USE_CONST +#define yyconst const +#else +#define yyconst +#endif + +/* Returned upon end-of-file. */ +#define YY_NULL 0 + +/* Promotes a possibly negative, possibly signed char to an unsigned + * integer for use as an array index. If the signed char is negative, + * we want to instead treat it as an 8-bit unsigned char, hence the + * double cast. + */ +#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c) + +/* An opaque pointer. */ +#ifndef YY_TYPEDEF_YY_SCANNER_T +#define YY_TYPEDEF_YY_SCANNER_T +typedef void* yyscan_t; +#endif + +/* For convenience, these vars (plus the bison vars far below) + are macros in the reentrant scanner. */ +#define yyin yyg->yyin_r +#define yyout yyg->yyout_r +#define yyextra yyg->yyextra_r +#define yyleng yyg->yyleng_r +#define yytext yyg->yytext_r +#define yylineno (YY_CURRENT_BUFFER_LVALUE->yy_bs_lineno) +#define yycolumn (YY_CURRENT_BUFFER_LVALUE->yy_bs_column) +#define yy_flex_debug yyg->yy_flex_debug_r + +/* Enter a start condition. This macro really ought to take a parameter, + * but we do it the disgusting crufty way forced on us by the ()-less + * definition of BEGIN. + */ +#define BEGIN yyg->yy_start = 1 + 2 * + +/* Translate the current start state into a value that can be later handed + * to BEGIN to return to the state. The YYSTATE alias is for lex + * compatibility. + */ +#define YY_START ((yyg->yy_start - 1) / 2) +#define YYSTATE YY_START + +/* Action number for EOF rule of a given start state. */ +#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) + +/* Special action meaning "start processing a new file". */ +#define YY_NEW_FILE _mesa_glsl_restart(yyin ,yyscanner ) + +#define YY_END_OF_BUFFER_CHAR 0 + +/* Size of default input buffer. */ +#ifndef YY_BUF_SIZE +#ifdef __ia64__ +/* On IA-64, the buffer size is 16k, not 8k. + * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case. + * Ditto for the __ia64__ case accordingly. + */ +#define YY_BUF_SIZE 32768 +#else +#define YY_BUF_SIZE 16384 +#endif /* __ia64__ */ +#endif + +/* The state buf must be large enough to hold one state per character in the main buffer. + */ +#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type)) + +#ifndef YY_TYPEDEF_YY_BUFFER_STATE +#define YY_TYPEDEF_YY_BUFFER_STATE +typedef struct yy_buffer_state *YY_BUFFER_STATE; +#endif + +#define EOB_ACT_CONTINUE_SCAN 0 +#define EOB_ACT_END_OF_FILE 1 +#define EOB_ACT_LAST_MATCH 2 + + #define YY_LESS_LINENO(n) + +/* Return all but the first "n" matched characters back to the input stream. */ +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + *yy_cp = yyg->yy_hold_char; \ + YY_RESTORE_YY_MORE_OFFSET \ + yyg->yy_c_buf_p = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \ + YY_DO_BEFORE_ACTION; /* set up yytext again */ \ + } \ + while ( 0 ) + +#define unput(c) yyunput( c, yyg->yytext_ptr , yyscanner ) + +#ifndef YY_TYPEDEF_YY_SIZE_T +#define YY_TYPEDEF_YY_SIZE_T +typedef size_t yy_size_t; +#endif + +#ifndef YY_STRUCT_YY_BUFFER_STATE +#define YY_STRUCT_YY_BUFFER_STATE +struct yy_buffer_state + { + FILE *yy_input_file; + + char *yy_ch_buf; /* input buffer */ + char *yy_buf_pos; /* current position in input buffer */ + + /* Size of input buffer in bytes, not including room for EOB + * characters. + */ + yy_size_t yy_buf_size; + + /* Number of characters read into yy_ch_buf, not including EOB + * characters. + */ + int yy_n_chars; + + /* Whether we "own" the buffer - i.e., we know we created it, + * and can realloc() it to grow it, and should free() it to + * delete it. + */ + int yy_is_our_buffer; + + /* Whether this is an "interactive" input source; if so, and + * if we're using stdio for input, then we want to use getc() + * instead of fread(), to make sure we stop fetching input after + * each newline. + */ + int yy_is_interactive; + + /* Whether we're considered to be at the beginning of a line. + * If so, '^' rules will be active on the next match, otherwise + * not. + */ + int yy_at_bol; + + int yy_bs_lineno; /**< The line count. */ + int yy_bs_column; /**< The column count. */ + + /* Whether to try to fill the input buffer when we reach the + * end of it. + */ + int yy_fill_buffer; + + int yy_buffer_status; + +#define YY_BUFFER_NEW 0 +#define YY_BUFFER_NORMAL 1 + /* When an EOF's been seen but there's still some text to process + * then we mark the buffer as YY_EOF_PENDING, to indicate that we + * shouldn't try reading from the input source any more. We might + * still have a bunch of tokens to match, though, because of + * possible backing-up. + * + * When we actually see the EOF, we change the status to "new" + * (via _mesa_glsl_restart()), so that the user can continue scanning by + * just pointing yyin at a new input file. + */ +#define YY_BUFFER_EOF_PENDING 2 + + }; +#endif /* !YY_STRUCT_YY_BUFFER_STATE */ + +/* We provide macros for accessing buffer states in case in the + * future we want to put the buffer states in a more general + * "scanner state". + * + * Returns the top of the stack, or NULL. + */ +#define YY_CURRENT_BUFFER ( yyg->yy_buffer_stack \ + ? yyg->yy_buffer_stack[yyg->yy_buffer_stack_top] \ + : NULL) + +/* Same as previous macro, but useful when we know that the buffer stack is not + * NULL or when we need an lvalue. For internal use only. + */ +#define YY_CURRENT_BUFFER_LVALUE yyg->yy_buffer_stack[yyg->yy_buffer_stack_top] + +void _mesa_glsl_restart (FILE *input_file ,yyscan_t yyscanner ); +void _mesa_glsl__switch_to_buffer (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner ); +YY_BUFFER_STATE _mesa_glsl__create_buffer (FILE *file,int size ,yyscan_t yyscanner ); +void _mesa_glsl__delete_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner ); +void _mesa_glsl__flush_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner ); +void _mesa_glsl_push_buffer_state (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner ); +void _mesa_glsl_pop_buffer_state (yyscan_t yyscanner ); + +static void _mesa_glsl_ensure_buffer_stack (yyscan_t yyscanner ); +static void _mesa_glsl__load_buffer_state (yyscan_t yyscanner ); +static void _mesa_glsl__init_buffer (YY_BUFFER_STATE b,FILE *file ,yyscan_t yyscanner ); + +#define YY_FLUSH_BUFFER _mesa_glsl__flush_buffer(YY_CURRENT_BUFFER ,yyscanner) + +YY_BUFFER_STATE _mesa_glsl__scan_buffer (char *base,yy_size_t size ,yyscan_t yyscanner ); +YY_BUFFER_STATE _mesa_glsl__scan_string (yyconst char *yy_str ,yyscan_t yyscanner ); +YY_BUFFER_STATE _mesa_glsl__scan_bytes (yyconst char *bytes,int len ,yyscan_t yyscanner ); + +void *_mesa_glsl_alloc (yy_size_t ,yyscan_t yyscanner ); +void *_mesa_glsl_realloc (void *,yy_size_t ,yyscan_t yyscanner ); +void _mesa_glsl_free (void * ,yyscan_t yyscanner ); + +#define yy_new_buffer _mesa_glsl__create_buffer + +#define yy_set_interactive(is_interactive) \ + { \ + if ( ! YY_CURRENT_BUFFER ){ \ + _mesa_glsl_ensure_buffer_stack (yyscanner); \ + YY_CURRENT_BUFFER_LVALUE = \ + _mesa_glsl__create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ + } + +#define yy_set_bol(at_bol) \ + { \ + if ( ! YY_CURRENT_BUFFER ){\ + _mesa_glsl_ensure_buffer_stack (yyscanner); \ + YY_CURRENT_BUFFER_LVALUE = \ + _mesa_glsl__create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \ + } + +#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) + +/* Begin user sect3 */ + +#define _mesa_glsl_wrap(n) 1 +#define YY_SKIP_YYWRAP + +typedef unsigned char YY_CHAR; + +typedef int yy_state_type; + +#define yytext_ptr yytext_r + +static yy_state_type yy_get_previous_state (yyscan_t yyscanner ); +static yy_state_type yy_try_NUL_trans (yy_state_type current_state ,yyscan_t yyscanner); +static int yy_get_next_buffer (yyscan_t yyscanner ); +static void yy_fatal_error (yyconst char msg[] ,yyscan_t yyscanner ); + +/* Done after the current pattern has been matched and before the + * corresponding action - sets up yytext. + */ +#define YY_DO_BEFORE_ACTION \ + yyg->yytext_ptr = yy_bp; \ + yyleng = (size_t) (yy_cp - yy_bp); \ + yyg->yy_hold_char = *yy_cp; \ + *yy_cp = '\0'; \ + yyg->yy_c_buf_p = yy_cp; + +#define YY_NUM_RULES 145 +#define YY_END_OF_BUFFER 146 +/* This struct is not used in this scanner, + but its presence is necessary. */ +struct yy_trans_info + { + flex_int32_t yy_verify; + flex_int32_t yy_nxt; + }; +static yyconst flex_int16_t yy_accept[519] = + { 0, + 0, 0, 9, 9, 146, 144, 1, 14, 144, 144, + 144, 144, 144, 144, 144, 144, 89, 87, 144, 144, + 144, 143, 144, 143, 143, 143, 143, 143, 143, 143, + 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, + 143, 143, 143, 144, 1, 144, 84, 145, 9, 13, + 145, 12, 10, 11, 1, 73, 80, 74, 83, 77, + 68, 79, 69, 86, 91, 78, 92, 89, 0, 0, + 0, 87, 0, 70, 72, 71, 0, 143, 76, 143, + 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, + 22, 143, 143, 143, 143, 143, 143, 143, 143, 143, + + 143, 143, 143, 143, 26, 50, 143, 143, 143, 143, + 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, + 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, + 143, 143, 143, 85, 75, 1, 0, 0, 2, 0, + 0, 0, 0, 9, 8, 12, 11, 0, 91, 90, + 0, 92, 0, 93, 88, 81, 82, 96, 143, 143, + 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, + 143, 143, 143, 143, 143, 143, 143, 25, 143, 143, + 143, 143, 143, 143, 143, 143, 19, 143, 143, 143, + 143, 143, 143, 143, 143, 143, 51, 143, 143, 143, + + 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, + 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, + 0, 0, 0, 0, 8, 0, 91, 0, 90, 0, + 92, 93, 143, 17, 143, 143, 136, 143, 143, 143, + 143, 143, 143, 143, 143, 24, 99, 143, 143, 143, + 57, 143, 143, 104, 118, 143, 143, 143, 143, 143, + 143, 143, 143, 115, 139, 38, 39, 40, 143, 143, + 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, + 143, 143, 143, 143, 143, 102, 94, 143, 143, 143, + 143, 143, 143, 35, 36, 37, 67, 143, 143, 0, + + 0, 0, 0, 0, 90, 143, 20, 29, 30, 31, + 143, 97, 16, 143, 143, 143, 143, 126, 127, 128, + 143, 95, 119, 18, 129, 130, 131, 141, 123, 124, + 125, 143, 52, 121, 143, 143, 32, 33, 34, 143, + 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, + 143, 143, 116, 143, 143, 143, 143, 143, 143, 143, + 143, 98, 143, 138, 143, 143, 23, 0, 0, 0, + 0, 143, 143, 143, 143, 143, 117, 112, 107, 143, + 143, 41, 42, 43, 44, 45, 46, 47, 48, 49, + 143, 143, 143, 143, 122, 103, 143, 110, 28, 143, + + 135, 58, 111, 66, 105, 143, 143, 143, 143, 143, + 143, 0, 0, 0, 0, 143, 143, 143, 106, 27, + 143, 143, 143, 140, 143, 143, 143, 143, 143, 143, + 100, 53, 143, 54, 143, 0, 0, 0, 7, 0, + 143, 55, 21, 113, 143, 143, 143, 108, 143, 143, + 143, 143, 143, 143, 101, 120, 109, 0, 0, 6, + 0, 0, 0, 3, 15, 114, 56, 137, 143, 142, + 60, 61, 62, 143, 0, 0, 0, 0, 143, 143, + 143, 143, 143, 143, 4, 0, 5, 0, 0, 0, + 143, 143, 143, 143, 143, 63, 0, 143, 143, 143, + + 143, 143, 59, 143, 132, 143, 133, 143, 143, 143, + 64, 143, 65, 143, 143, 143, 134, 0 + } ; + +static yyconst flex_int32_t yy_ec[256] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, + 1, 1, 4, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 2, 5, 1, 6, 1, 7, 8, 1, 1, + 1, 9, 10, 1, 11, 12, 13, 14, 15, 16, + 17, 18, 19, 19, 19, 20, 20, 21, 1, 22, + 23, 24, 1, 1, 25, 25, 26, 27, 28, 29, + 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, + 30, 31, 32, 30, 30, 30, 30, 33, 30, 30, + 1, 1, 1, 34, 30, 1, 35, 36, 37, 38, + + 39, 40, 41, 42, 43, 30, 44, 45, 46, 47, + 48, 49, 30, 50, 51, 52, 53, 54, 55, 56, + 57, 58, 1, 59, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1 + } ; + +static yyconst flex_int32_t yy_meta[60] = + { 0, + 1, 2, 3, 1, 1, 1, 1, 1, 1, 4, + 4, 5, 1, 6, 6, 6, 6, 6, 6, 7, + 1, 1, 1, 1, 8, 8, 8, 9, 10, 11, + 11, 11, 12, 1, 8, 8, 8, 8, 9, 10, + 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, + 11, 11, 11, 11, 11, 12, 11, 11, 1 + } ; + +static yyconst flex_int16_t yy_base[538] = + { 0, + 0, 58, 81, 0, 809, 810, 59, 810, 785, 784, + 54, 783, 55, 56, 54, 782, 129, 130, 53, 781, + 127, 0, 769, 101, 106, 126, 116, 128, 143, 754, + 144, 136, 753, 128, 145, 747, 142, 760, 159, 165, + 149, 164, 756, 149, 214, 207, 774, 810, 215, 810, + 783, 209, 810, 0, 228, 810, 810, 810, 810, 810, + 810, 810, 810, 810, 205, 810, 208, 133, 223, 171, + 0, 226, 772, 810, 810, 810, 771, 0, 810, 747, + 740, 743, 751, 750, 737, 740, 751, 738, 744, 732, + 729, 742, 729, 726, 726, 732, 720, 205, 725, 735, + + 721, 727, 730, 731, 0, 215, 730, 166, 716, 729, + 720, 200, 713, 727, 724, 726, 709, 714, 711, 700, + 709, 207, 713, 709, 711, 700, 703, 188, 708, 700, + 712, 223, 705, 810, 810, 268, 256, 273, 810, 691, + 703, 695, 705, 269, 0, 263, 0, 274, 810, 258, + 278, 810, 314, 280, 0, 810, 810, 0, 693, 697, + 706, 703, 687, 686, 686, 241, 701, 698, 698, 696, + 693, 685, 691, 678, 689, 675, 691, 0, 688, 676, + 683, 680, 684, 677, 666, 665, 678, 681, 678, 673, + 664, 286, 669, 672, 663, 670, 659, 663, 669, 660, + + 651, 654, 652, 662, 652, 647, 645, 645, 647, 644, + 655, 654, 259, 649, 644, 633, 297, 651, 653, 642, + 634, 638, 649, 633, 0, 321, 313, 306, 810, 329, + 340, 810, 639, 0, 637, 338, 0, 630, 628, 626, + 634, 623, 640, 629, 341, 0, 0, 623, 633, 633, + 0, 618, 344, 0, 0, 620, 347, 621, 615, 614, + 615, 614, 350, 0, 0, 607, 606, 605, 607, 608, + 613, 607, 603, 616, 611, 610, 602, 606, 598, 601, + 596, 604, 609, 608, 599, 0, 0, 605, 594, 594, + 599, 598, 595, 0, 0, 0, 0, 585, 597, 596, + + 595, 592, 581, 356, 367, 595, 0, 0, 0, 0, + 582, 0, 0, 582, 583, 577, 587, 0, 0, 0, + 578, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 585, 0, 0, 583, 579, 0, 0, 0, 365, + 368, 371, 575, 571, 576, 567, 565, 578, 564, 577, + 566, 573, 0, 571, 568, 572, 556, 565, 571, 566, + 554, 0, 556, 0, 555, 558, 0, 553, 597, 552, + 554, 543, 552, 541, 541, 554, 0, 556, 0, 548, + 547, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 529, 542, 529, 526, 0, 0, 531, 0, 0, 522, + + 0, 0, 0, 0, 0, 519, 521, 514, 516, 513, + 505, 498, 395, 513, 499, 494, 506, 504, 0, 0, + 493, 497, 483, 0, 482, 470, 467, 452, 375, 456, + 0, 0, 439, 0, 433, 428, 391, 323, 810, 423, + 430, 0, 0, 0, 429, 415, 427, 0, 428, 417, + 436, 435, 434, 407, 0, 0, 0, 411, 402, 810, + 415, 0, 396, 810, 0, 0, 0, 0, 406, 0, + 425, 371, 418, 412, 399, 417, 419, 423, 402, 402, + 404, 400, 402, 384, 810, 425, 810, 437, 0, 433, + 354, 371, 363, 360, 342, 0, 435, 313, 283, 267, + + 273, 256, 0, 258, 268, 248, 0, 239, 213, 195, + 0, 206, 0, 168, 32, 11, 0, 810, 469, 473, + 480, 487, 492, 498, 504, 506, 516, 525, 529, 533, + 539, 550, 556, 558, 567, 578, 580 + } ; + +static yyconst flex_int16_t yy_def[538] = + { 0, + 518, 1, 518, 3, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 519, 518, 518, + 518, 520, 518, 520, 520, 520, 520, 520, 520, 520, + 520, 520, 520, 520, 520, 520, 520, 520, 520, 520, + 520, 520, 520, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 521, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 522, 518, 523, 17, 524, 525, + 526, 519, 518, 518, 518, 518, 518, 520, 518, 520, + 520, 520, 520, 520, 520, 520, 520, 520, 520, 520, + 520, 520, 520, 520, 520, 520, 520, 520, 520, 520, + + 520, 520, 520, 520, 520, 520, 520, 520, 520, 520, + 520, 520, 520, 520, 520, 520, 520, 520, 520, 520, + 520, 520, 520, 520, 520, 520, 520, 520, 520, 520, + 520, 520, 520, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 527, 518, 521, 528, 518, 523, + 529, 518, 518, 525, 526, 518, 518, 520, 520, 520, + 520, 520, 520, 520, 520, 520, 520, 520, 520, 520, + 520, 520, 520, 520, 520, 520, 520, 520, 520, 520, + 520, 520, 520, 520, 520, 520, 520, 520, 520, 520, + 520, 520, 520, 520, 520, 520, 520, 520, 520, 520, + + 520, 520, 520, 520, 520, 520, 520, 520, 520, 520, + 520, 520, 520, 520, 520, 520, 520, 520, 520, 520, + 518, 518, 518, 518, 527, 518, 528, 530, 518, 518, + 529, 518, 520, 520, 520, 520, 520, 520, 520, 520, + 520, 520, 520, 520, 520, 520, 520, 520, 520, 520, + 520, 520, 520, 520, 520, 520, 520, 520, 520, 520, + 520, 520, 520, 520, 520, 520, 520, 520, 520, 520, + 520, 520, 520, 520, 520, 520, 520, 520, 520, 520, + 520, 520, 520, 520, 520, 520, 520, 520, 520, 520, + 520, 520, 520, 520, 520, 520, 520, 520, 520, 518, + + 518, 518, 518, 518, 530, 520, 520, 520, 520, 520, + 520, 520, 520, 520, 520, 520, 520, 520, 520, 520, + 520, 520, 520, 520, 520, 520, 520, 520, 520, 520, + 520, 520, 520, 520, 520, 520, 520, 520, 520, 520, + 520, 520, 520, 520, 520, 520, 520, 520, 520, 520, + 520, 520, 520, 520, 520, 520, 520, 520, 520, 520, + 520, 520, 520, 520, 520, 520, 520, 518, 518, 518, + 518, 520, 520, 520, 520, 520, 520, 520, 520, 520, + 520, 520, 520, 520, 520, 520, 520, 520, 520, 520, + 520, 520, 520, 520, 520, 520, 520, 520, 520, 520, + + 520, 520, 520, 520, 520, 520, 520, 520, 520, 520, + 520, 518, 518, 518, 518, 520, 520, 520, 520, 520, + 520, 520, 520, 520, 520, 520, 520, 520, 520, 520, + 520, 520, 520, 520, 520, 518, 531, 532, 518, 518, + 520, 520, 520, 520, 520, 520, 520, 520, 520, 520, + 520, 520, 520, 520, 520, 520, 520, 518, 533, 518, + 518, 534, 532, 518, 520, 520, 520, 520, 520, 520, + 520, 520, 520, 520, 518, 535, 536, 534, 520, 520, + 520, 520, 520, 520, 518, 518, 518, 518, 537, 536, + 520, 520, 520, 520, 520, 520, 537, 520, 520, 520, + + 520, 520, 520, 520, 520, 520, 520, 520, 520, 520, + 520, 520, 520, 520, 520, 520, 520, 0, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518 + } ; + +static yyconst flex_int16_t yy_nxt[870] = + { 0, + 6, 7, 8, 7, 9, 6, 10, 11, 12, 13, + 14, 15, 16, 17, 18, 18, 18, 18, 18, 18, + 6, 19, 20, 21, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 23, 24, 25, 26, 27, 28, 29, + 30, 31, 32, 22, 33, 34, 35, 36, 37, 38, + 39, 40, 41, 42, 43, 22, 22, 22, 44, 45, + 55, 58, 55, 46, 61, 517, 63, 65, 65, 65, + 65, 65, 65, 65, 73, 74, 59, 62, 64, 516, + 47, 48, 49, 50, 49, 48, 48, 48, 48, 48, + 48, 48, 48, 51, 48, 52, 52, 52, 52, 52, + + 52, 53, 48, 48, 48, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 48, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54, 54, 54, 48, + 67, 67, 68, 68, 68, 68, 68, 68, 69, 76, + 77, 80, 81, 82, 89, 83, 70, 70, 90, 84, + 85, 71, 109, 91, 86, 518, 110, 70, 70, 92, + 87, 134, 93, 88, 94, 105, 114, 96, 102, 111, + 153, 153, 106, 95, 71, 97, 103, 98, 518, 107, + 99, 115, 112, 118, 116, 128, 100, 104, 130, 129, + + 119, 120, 131, 124, 121, 515, 125, 135, 138, 139, + 122, 132, 190, 123, 126, 136, 144, 55, 144, 137, + 191, 127, 146, 146, 146, 146, 146, 146, 146, 55, + 213, 55, 148, 149, 67, 151, 152, 67, 214, 176, + 514, 206, 195, 148, 149, 140, 151, 152, 196, 513, + 70, 141, 177, 70, 512, 142, 207, 138, 139, 184, + 143, 70, 185, 186, 70, 218, 187, 219, 188, 136, + 144, 55, 144, 137, 138, 139, 146, 146, 146, 146, + 146, 146, 146, 226, 226, 228, 229, 230, 230, 518, + 518, 240, 241, 511, 140, 510, 228, 229, 289, 509, + + 141, 266, 267, 268, 142, 508, 290, 507, 232, 143, + 506, 140, 294, 295, 296, 304, 304, 141, 505, 232, + 504, 142, 518, 518, 459, 460, 143, 154, 154, 154, + 154, 154, 154, 154, 227, 227, 227, 227, 227, 227, + 227, 149, 231, 231, 231, 231, 231, 231, 231, 518, + 518, 503, 149, 308, 309, 310, 318, 319, 320, 325, + 326, 327, 329, 330, 331, 337, 338, 339, 152, 305, + 305, 305, 305, 305, 305, 305, 518, 518, 502, 152, + 382, 383, 384, 385, 386, 387, 388, 389, 390, 451, + 452, 453, 459, 460, 501, 229, 413, 459, 460, 500, + + 454, 481, 482, 459, 460, 499, 229, 498, 437, 438, + 438, 438, 438, 438, 438, 476, 459, 460, 486, 487, + 486, 487, 496, 462, 459, 460, 486, 487, 461, 461, + 461, 461, 461, 461, 486, 487, 486, 487, 486, 487, + 495, 494, 493, 492, 491, 485, 462, 484, 483, 489, + 488, 488, 488, 488, 488, 488, 480, 479, 475, 474, + 473, 472, 471, 470, 469, 468, 467, 466, 465, 464, + 458, 457, 489, 72, 72, 72, 456, 72, 78, 78, + 78, 78, 78, 78, 78, 147, 147, 147, 147, 147, + 147, 147, 65, 65, 455, 65, 65, 150, 150, 450, + + 150, 150, 69, 69, 69, 449, 69, 154, 448, 154, + 154, 155, 155, 155, 155, 155, 225, 225, 447, 225, + 225, 225, 225, 225, 225, 225, 225, 225, 227, 446, + 227, 227, 231, 445, 231, 231, 305, 444, 305, 305, + 461, 461, 443, 442, 461, 441, 440, 439, 436, 435, + 461, 463, 463, 434, 433, 463, 463, 477, 477, 432, + 431, 477, 477, 478, 478, 478, 478, 478, 488, 488, + 430, 429, 488, 428, 427, 426, 425, 424, 488, 490, + 490, 423, 422, 490, 490, 497, 497, 497, 497, 497, + 421, 420, 419, 418, 417, 416, 415, 414, 413, 412, + + 411, 410, 409, 408, 407, 406, 405, 404, 403, 402, + 401, 400, 399, 398, 397, 396, 395, 394, 393, 392, + 391, 381, 380, 379, 378, 377, 376, 375, 374, 373, + 372, 371, 370, 369, 368, 367, 366, 365, 364, 363, + 362, 361, 360, 359, 358, 357, 356, 355, 354, 353, + 352, 351, 350, 349, 348, 347, 346, 345, 344, 343, + 342, 341, 340, 336, 335, 334, 333, 332, 328, 324, + 323, 322, 321, 317, 316, 315, 314, 313, 312, 311, + 307, 306, 303, 302, 301, 300, 299, 298, 297, 293, + 292, 291, 288, 287, 286, 285, 284, 283, 282, 281, + + 280, 279, 278, 277, 276, 275, 274, 273, 272, 271, + 270, 269, 265, 264, 263, 262, 261, 260, 259, 258, + 257, 256, 255, 254, 253, 252, 251, 250, 249, 248, + 247, 246, 245, 244, 243, 242, 239, 238, 237, 236, + 235, 234, 233, 224, 223, 222, 221, 220, 217, 216, + 215, 212, 211, 210, 209, 208, 205, 204, 203, 202, + 201, 200, 199, 198, 197, 194, 193, 192, 189, 183, + 182, 181, 180, 179, 178, 175, 174, 173, 172, 171, + 170, 169, 168, 167, 166, 165, 164, 163, 162, 161, + 160, 159, 158, 157, 156, 145, 75, 133, 117, 113, + + 108, 101, 79, 75, 66, 60, 57, 56, 518, 5, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518 + } ; + +static yyconst flex_int16_t yy_chk[870] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, + 7, 11, 7, 2, 13, 516, 14, 15, 15, 15, + 15, 15, 15, 15, 19, 19, 11, 13, 14, 515, + 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 17, 18, 17, 17, 17, 17, 17, 17, 17, 21, + 21, 24, 24, 25, 27, 25, 17, 18, 27, 25, + 26, 17, 34, 27, 26, 68, 34, 17, 18, 27, + 26, 44, 28, 26, 28, 32, 37, 29, 31, 35, + 70, 70, 32, 28, 17, 29, 31, 29, 68, 32, + 29, 37, 35, 39, 37, 41, 29, 31, 42, 41, + + 39, 39, 42, 40, 39, 514, 40, 44, 46, 46, + 39, 42, 108, 39, 40, 45, 49, 45, 49, 45, + 108, 40, 52, 52, 52, 52, 52, 52, 52, 55, + 128, 55, 65, 65, 69, 67, 67, 72, 128, 98, + 512, 122, 112, 65, 65, 46, 67, 67, 112, 510, + 69, 46, 98, 72, 509, 46, 122, 137, 137, 106, + 46, 69, 106, 106, 72, 132, 106, 132, 106, 136, + 144, 136, 144, 136, 138, 138, 146, 146, 146, 146, + 146, 146, 146, 148, 148, 150, 150, 151, 151, 154, + 154, 166, 166, 508, 137, 506, 150, 150, 213, 505, + + 137, 192, 192, 192, 137, 504, 213, 502, 154, 137, + 501, 138, 217, 217, 217, 228, 228, 138, 500, 154, + 499, 138, 227, 227, 438, 438, 138, 153, 153, 153, + 153, 153, 153, 153, 226, 226, 226, 226, 226, 226, + 226, 227, 230, 230, 230, 230, 230, 230, 230, 231, + 231, 498, 227, 236, 236, 236, 245, 245, 245, 253, + 253, 253, 257, 257, 257, 263, 263, 263, 231, 304, + 304, 304, 304, 304, 304, 304, 305, 305, 495, 231, + 340, 340, 340, 341, 341, 341, 342, 342, 342, 429, + 429, 429, 437, 437, 494, 305, 413, 463, 463, 493, + + 429, 472, 472, 459, 459, 492, 305, 491, 413, 413, + 413, 413, 413, 413, 413, 459, 461, 461, 476, 476, + 477, 477, 484, 437, 478, 478, 486, 486, 461, 461, + 461, 461, 461, 461, 490, 490, 497, 497, 488, 488, + 483, 482, 481, 480, 479, 475, 437, 474, 473, 476, + 488, 488, 488, 488, 488, 488, 471, 469, 458, 454, + 453, 452, 451, 450, 449, 447, 446, 445, 441, 440, + 436, 435, 476, 519, 519, 519, 433, 519, 520, 520, + 520, 520, 520, 520, 520, 521, 521, 521, 521, 521, + 521, 521, 522, 522, 430, 522, 522, 523, 523, 428, + + 523, 523, 524, 524, 524, 427, 524, 525, 426, 525, + 525, 526, 526, 526, 526, 526, 527, 527, 425, 527, + 527, 527, 527, 527, 527, 527, 527, 527, 528, 423, + 528, 528, 529, 422, 529, 529, 530, 421, 530, 530, + 531, 531, 418, 417, 531, 416, 415, 414, 412, 411, + 531, 532, 532, 410, 409, 532, 532, 533, 533, 408, + 407, 533, 533, 534, 534, 534, 534, 534, 535, 535, + 406, 400, 535, 397, 394, 393, 392, 391, 535, 536, + 536, 381, 380, 536, 536, 537, 537, 537, 537, 537, + 378, 376, 375, 374, 373, 372, 371, 370, 369, 368, + + 366, 365, 363, 361, 360, 359, 358, 357, 356, 355, + 354, 352, 351, 350, 349, 348, 347, 346, 345, 344, + 343, 336, 335, 332, 321, 317, 316, 315, 314, 311, + 306, 303, 302, 301, 300, 299, 298, 293, 292, 291, + 290, 289, 288, 285, 284, 283, 282, 281, 280, 279, + 278, 277, 276, 275, 274, 273, 272, 271, 270, 269, + 268, 267, 266, 262, 261, 260, 259, 258, 256, 252, + 250, 249, 248, 244, 243, 242, 241, 240, 239, 238, + 235, 233, 224, 223, 222, 221, 220, 219, 218, 216, + 215, 214, 212, 211, 210, 209, 208, 207, 206, 205, + + 204, 203, 202, 201, 200, 199, 198, 197, 196, 195, + 194, 193, 191, 190, 189, 188, 187, 186, 185, 184, + 183, 182, 181, 180, 179, 177, 176, 175, 174, 173, + 172, 171, 170, 169, 168, 167, 165, 164, 163, 162, + 161, 160, 159, 143, 142, 141, 140, 133, 131, 130, + 129, 127, 126, 125, 124, 123, 121, 120, 119, 118, + 117, 116, 115, 114, 113, 111, 110, 109, 107, 104, + 103, 102, 101, 100, 99, 97, 96, 95, 94, 93, + 92, 91, 90, 89, 88, 87, 86, 85, 84, 83, + 82, 81, 80, 77, 73, 51, 47, 43, 38, 36, + + 33, 30, 23, 20, 16, 12, 10, 9, 5, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518 + } ; + +/* The intent behind this definition is that it'll catch + * any uses of REJECT which flex missed. + */ +#define REJECT reject_used_but_not_detected +#define yymore() yymore_used_but_not_detected +#define YY_MORE_ADJ 0 +#define YY_RESTORE_YY_MORE_OFFSET +#line 1 "glsl_lexer.lpp" +#line 2 "glsl_lexer.lpp" +/* + * Copyright © 2008, 2009 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ +#include <ctype.h> +#include "ast.h" +#include "glsl_parser_extras.h" +#include "glsl_parser.h" + +#define YY_USER_ACTION \ + do { \ + yylloc->source = 0; \ + yylloc->first_column = yycolumn + 1; \ + yylloc->first_line = yylineno + 1; \ + yycolumn += yyleng; \ + } while(0); + +#define YY_USER_INIT yylineno = 0; yycolumn = 0; + + +#line 845 "glsl_lexer.cpp" + +#define INITIAL 0 +#define PP 1 + +#ifndef YY_NO_UNISTD_H +/* Special case for "unistd.h", since it is non-ANSI. We include it way + * down here because we want the user's section 1 to have been scanned first. + * The user has a chance to override it with an option. + */ +#include <unistd.h> +#endif + +#define YY_EXTRA_TYPE struct _mesa_glsl_parse_state * + +/* Holds the entire state of the reentrant scanner. */ +struct yyguts_t + { + + /* User-defined. Not touched by flex. */ + YY_EXTRA_TYPE yyextra_r; + + /* The rest are the same as the globals declared in the non-reentrant scanner. */ + FILE *yyin_r, *yyout_r; + size_t yy_buffer_stack_top; /**< index of top of stack. */ + size_t yy_buffer_stack_max; /**< capacity of stack. */ + YY_BUFFER_STATE * yy_buffer_stack; /**< Stack as an array. */ + char yy_hold_char; + int yy_n_chars; + int yyleng_r; + char *yy_c_buf_p; + int yy_init; + int yy_start; + int yy_did_buffer_switch_on_eof; + int yy_start_stack_ptr; + int yy_start_stack_depth; + int *yy_start_stack; + yy_state_type yy_last_accepting_state; + char* yy_last_accepting_cpos; + + int yylineno_r; + int yy_flex_debug_r; + + char *yytext_r; + int yy_more_flag; + int yy_more_len; + + YYSTYPE * yylval_r; + + YYLTYPE * yylloc_r; + + }; /* end struct yyguts_t */ + +static int yy_init_globals (yyscan_t yyscanner ); + + /* This must go here because YYSTYPE and YYLTYPE are included + * from bison output in section 1.*/ + # define yylval yyg->yylval_r + + # define yylloc yyg->yylloc_r + +int _mesa_glsl_lex_init (yyscan_t* scanner); + +int _mesa_glsl_lex_init_extra (YY_EXTRA_TYPE user_defined,yyscan_t* scanner); + +/* Accessor methods to globals. + These are made visible to non-reentrant scanners for convenience. */ + +int _mesa_glsl_lex_destroy (yyscan_t yyscanner ); + +int _mesa_glsl_get_debug (yyscan_t yyscanner ); + +void _mesa_glsl_set_debug (int debug_flag ,yyscan_t yyscanner ); + +YY_EXTRA_TYPE _mesa_glsl_get_extra (yyscan_t yyscanner ); + +void _mesa_glsl_set_extra (YY_EXTRA_TYPE user_defined ,yyscan_t yyscanner ); + +FILE *_mesa_glsl_get_in (yyscan_t yyscanner ); + +void _mesa_glsl_set_in (FILE * in_str ,yyscan_t yyscanner ); + +FILE *_mesa_glsl_get_out (yyscan_t yyscanner ); + +void _mesa_glsl_set_out (FILE * out_str ,yyscan_t yyscanner ); + +int _mesa_glsl_get_leng (yyscan_t yyscanner ); + +char *_mesa_glsl_get_text (yyscan_t yyscanner ); + +int _mesa_glsl_get_lineno (yyscan_t yyscanner ); + +void _mesa_glsl_set_lineno (int line_number ,yyscan_t yyscanner ); + +YYSTYPE * _mesa_glsl_get_lval (yyscan_t yyscanner ); + +void _mesa_glsl_set_lval (YYSTYPE * yylval_param ,yyscan_t yyscanner ); + + YYLTYPE *_mesa_glsl_get_lloc (yyscan_t yyscanner ); + + void _mesa_glsl_set_lloc (YYLTYPE * yylloc_param ,yyscan_t yyscanner ); + +/* Macros after this point can all be overridden by user definitions in + * section 1. + */ + +#ifndef YY_SKIP_YYWRAP +#ifdef __cplusplus +extern "C" int _mesa_glsl_wrap (yyscan_t yyscanner ); +#else +extern int _mesa_glsl_wrap (yyscan_t yyscanner ); +#endif +#endif + +#ifndef yytext_ptr +static void yy_flex_strncpy (char *,yyconst char *,int ,yyscan_t yyscanner); +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * ,yyscan_t yyscanner); +#endif + +#ifndef YY_NO_INPUT + +#ifdef __cplusplus +static int yyinput (yyscan_t yyscanner ); +#else +static int input (yyscan_t yyscanner ); +#endif + +#endif + +/* Amount of stuff to slurp up with each read. */ +#ifndef YY_READ_BUF_SIZE +#ifdef __ia64__ +/* On IA-64, the buffer size is 16k, not 8k */ +#define YY_READ_BUF_SIZE 16384 +#else +#define YY_READ_BUF_SIZE 8192 +#endif /* __ia64__ */ +#endif + +/* Copy whatever the last rule matched to the standard output. */ +#ifndef ECHO +/* This used to be an fputs(), but since the string might contain NUL's, + * we now use fwrite(). + */ +#define ECHO do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0) +#endif + +/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, + * is returned in "result". + */ +#ifndef YY_INPUT +#define YY_INPUT(buf,result,max_size) \ + if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ + { \ + int c = '*'; \ + size_t n; \ + for ( n = 0; n < max_size && \ + (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ + buf[n] = (char) c; \ + if ( c == '\n' ) \ + buf[n++] = (char) c; \ + if ( c == EOF && ferror( yyin ) ) \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + result = n; \ + } \ + else \ + { \ + errno=0; \ + while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \ + { \ + if( errno != EINTR) \ + { \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + break; \ + } \ + errno=0; \ + clearerr(yyin); \ + } \ + }\ +\ + +#endif + +/* No semi-colon after return; correct usage is to write "yyterminate();" - + * we don't want an extra ';' after the "return" because that will cause + * some compilers to complain about unreachable statements. + */ +#ifndef yyterminate +#define yyterminate() return YY_NULL +#endif + +/* Number of entries by which start-condition stack grows. */ +#ifndef YY_START_STACK_INCR +#define YY_START_STACK_INCR 25 +#endif + +/* Report a fatal error. */ +#ifndef YY_FATAL_ERROR +#define YY_FATAL_ERROR(msg) yy_fatal_error( msg , yyscanner) +#endif + +/* end tables serialization structures and prototypes */ + +/* Default declaration of generated scanner - a define so the user can + * easily add parameters. + */ +#ifndef YY_DECL +#define YY_DECL_IS_OURS 1 + +extern int _mesa_glsl_lex \ + (YYSTYPE * yylval_param,YYLTYPE * yylloc_param ,yyscan_t yyscanner); + +#define YY_DECL int _mesa_glsl_lex \ + (YYSTYPE * yylval_param, YYLTYPE * yylloc_param , yyscan_t yyscanner) +#endif /* !YY_DECL */ + +/* Code executed at the beginning of each rule, after yytext and yyleng + * have been set up. + */ +#ifndef YY_USER_ACTION +#define YY_USER_ACTION +#endif + +/* Code executed at the end of each rule. */ +#ifndef YY_BREAK +#define YY_BREAK break; +#endif + +#define YY_RULE_SETUP \ + if ( yyleng > 0 ) \ + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = \ + (yytext[yyleng - 1] == '\n'); \ + YY_USER_ACTION + +/** The main scanner function which does all the work. + */ +YY_DECL +{ + register yy_state_type yy_current_state; + register char *yy_cp, *yy_bp; + register int yy_act; + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + +#line 56 "glsl_lexer.lpp" + + +#line 1094 "glsl_lexer.cpp" + + yylval = yylval_param; + + yylloc = yylloc_param; + + if ( !yyg->yy_init ) + { + yyg->yy_init = 1; + +#ifdef YY_USER_INIT + YY_USER_INIT; +#endif + + if ( ! yyg->yy_start ) + yyg->yy_start = 1; /* first start state */ + + if ( ! yyin ) + yyin = stdin; + + if ( ! yyout ) + yyout = stdout; + + if ( ! YY_CURRENT_BUFFER ) { + _mesa_glsl_ensure_buffer_stack (yyscanner); + YY_CURRENT_BUFFER_LVALUE = + _mesa_glsl__create_buffer(yyin,YY_BUF_SIZE ,yyscanner); + } + + _mesa_glsl__load_buffer_state(yyscanner ); + } + + while ( 1 ) /* loops until end-of-file is reached */ + { + yy_cp = yyg->yy_c_buf_p; + + /* Support of yytext. */ + *yy_cp = yyg->yy_hold_char; + + /* yy_bp points to the position in yy_ch_buf of the start of + * the current run. + */ + yy_bp = yy_cp; + + yy_current_state = yyg->yy_start; + yy_current_state += YY_AT_BOL(); +yy_match: + do + { + register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)]; + if ( yy_accept[yy_current_state] ) + { + yyg->yy_last_accepting_state = yy_current_state; + yyg->yy_last_accepting_cpos = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 519 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + ++yy_cp; + } + while ( yy_current_state != 518 ); + yy_cp = yyg->yy_last_accepting_cpos; + yy_current_state = yyg->yy_last_accepting_state; + +yy_find_action: + yy_act = yy_accept[yy_current_state]; + + YY_DO_BEFORE_ACTION; + +do_action: /* This label is used only to access EOF actions. */ + + switch ( yy_act ) + { /* beginning of action switch */ + case 0: /* must back up */ + /* undo the effects of YY_DO_BEFORE_ACTION */ + *yy_cp = yyg->yy_hold_char; + yy_cp = yyg->yy_last_accepting_cpos; + yy_current_state = yyg->yy_last_accepting_state; + goto yy_find_action; + +case 1: +YY_RULE_SETUP +#line 58 "glsl_lexer.lpp" +; + YY_BREAK +/* Preprocessor tokens. */ +case 2: +*yy_cp = yyg->yy_hold_char; /* undo effects of setting up yytext */ +yyg->yy_c_buf_p = yy_cp -= 1; +YY_DO_BEFORE_ACTION; /* set up yytext again */ +YY_RULE_SETUP +#line 61 "glsl_lexer.lpp" +; + YY_BREAK +case 3: +YY_RULE_SETUP +#line 62 "glsl_lexer.lpp" +{ BEGIN PP; return VERSION; } + YY_BREAK +case 4: +YY_RULE_SETUP +#line 63 "glsl_lexer.lpp" +{ BEGIN PP; return EXTENSION; } + YY_BREAK +case 5: +*yy_cp = yyg->yy_hold_char; /* undo effects of setting up yytext */ +yyg->yy_c_buf_p = yy_cp -= 1; +YY_DO_BEFORE_ACTION; /* set up yytext again */ +YY_RULE_SETUP +#line 64 "glsl_lexer.lpp" +{ + /* Eat characters until the first digit is + * encountered + */ + char *ptr = yytext; + while (!isdigit(*ptr)) + ptr++; + + /* Subtract one from the line number because + * yylineno is zero-based instead of + * one-based. + */ + yylineno = strtol(ptr, &ptr, 0) - 1; + yylloc->source = strtol(ptr, NULL, 0); + } + YY_BREAK +case 6: +*yy_cp = yyg->yy_hold_char; /* undo effects of setting up yytext */ +yyg->yy_c_buf_p = yy_cp -= 1; +YY_DO_BEFORE_ACTION; /* set up yytext again */ +YY_RULE_SETUP +#line 79 "glsl_lexer.lpp" +{ + /* Eat characters until the first digit is + * encountered + */ + char *ptr = yytext; + while (!isdigit(*ptr)) + ptr++; + + /* Subtract one from the line number because + * yylineno is zero-based instead of + * one-based. + */ + yylineno = strtol(ptr, &ptr, 0) - 1; + } + YY_BREAK +case 7: +YY_RULE_SETUP +#line 93 "glsl_lexer.lpp" +{ BEGIN PP; return PRAGMA; } + YY_BREAK +case 8: +YY_RULE_SETUP +#line 94 "glsl_lexer.lpp" +{ } + YY_BREAK +case 9: +YY_RULE_SETUP +#line 95 "glsl_lexer.lpp" +{ } + YY_BREAK +case 10: +YY_RULE_SETUP +#line 96 "glsl_lexer.lpp" +return COLON; + YY_BREAK +case 11: +YY_RULE_SETUP +#line 97 "glsl_lexer.lpp" +{ + yylval->identifier = strdup(yytext); + return IDENTIFIER; + } + YY_BREAK +case 12: +YY_RULE_SETUP +#line 101 "glsl_lexer.lpp" +{ + yylval->n = strtol(yytext, NULL, 10); + return INTCONSTANT; + } + YY_BREAK +case 13: +/* rule 13 can match eol */ +YY_RULE_SETUP +#line 105 "glsl_lexer.lpp" +{ BEGIN 0; yylineno++; yycolumn = 0; return EOL; } + YY_BREAK +case 14: +/* rule 14 can match eol */ +YY_RULE_SETUP +#line 107 "glsl_lexer.lpp" +{ yylineno++; yycolumn = 0; } + YY_BREAK +case 15: +YY_RULE_SETUP +#line 109 "glsl_lexer.lpp" +return ATTRIBUTE; + YY_BREAK +case 16: +YY_RULE_SETUP +#line 110 "glsl_lexer.lpp" +return CONST_TOK; + YY_BREAK +case 17: +YY_RULE_SETUP +#line 111 "glsl_lexer.lpp" +return BOOL; + YY_BREAK +case 18: +YY_RULE_SETUP +#line 112 "glsl_lexer.lpp" +return FLOAT; + YY_BREAK +case 19: +YY_RULE_SETUP +#line 113 "glsl_lexer.lpp" +return INT; + YY_BREAK +case 20: +YY_RULE_SETUP +#line 115 "glsl_lexer.lpp" +return BREAK; + YY_BREAK +case 21: +YY_RULE_SETUP +#line 116 "glsl_lexer.lpp" +return CONTINUE; + YY_BREAK +case 22: +YY_RULE_SETUP +#line 117 "glsl_lexer.lpp" +return DO; + YY_BREAK +case 23: +YY_RULE_SETUP +#line 118 "glsl_lexer.lpp" +return WHILE; + YY_BREAK +case 24: +YY_RULE_SETUP +#line 119 "glsl_lexer.lpp" +return ELSE; + YY_BREAK +case 25: +YY_RULE_SETUP +#line 120 "glsl_lexer.lpp" +return FOR; + YY_BREAK +case 26: +YY_RULE_SETUP +#line 121 "glsl_lexer.lpp" +return IF; + YY_BREAK +case 27: +YY_RULE_SETUP +#line 122 "glsl_lexer.lpp" +return DISCARD; + YY_BREAK +case 28: +YY_RULE_SETUP +#line 123 "glsl_lexer.lpp" +return RETURN; + YY_BREAK +case 29: +YY_RULE_SETUP +#line 125 "glsl_lexer.lpp" +return BVEC2; + YY_BREAK +case 30: +YY_RULE_SETUP +#line 126 "glsl_lexer.lpp" +return BVEC3; + YY_BREAK +case 31: +YY_RULE_SETUP +#line 127 "glsl_lexer.lpp" +return BVEC4; + YY_BREAK +case 32: +YY_RULE_SETUP +#line 128 "glsl_lexer.lpp" +return IVEC2; + YY_BREAK +case 33: +YY_RULE_SETUP +#line 129 "glsl_lexer.lpp" +return IVEC3; + YY_BREAK +case 34: +YY_RULE_SETUP +#line 130 "glsl_lexer.lpp" +return IVEC4; + YY_BREAK +case 35: +YY_RULE_SETUP +#line 131 "glsl_lexer.lpp" +return VEC2; + YY_BREAK +case 36: +YY_RULE_SETUP +#line 132 "glsl_lexer.lpp" +return VEC3; + YY_BREAK +case 37: +YY_RULE_SETUP +#line 133 "glsl_lexer.lpp" +return VEC4; + YY_BREAK +case 38: +YY_RULE_SETUP +#line 134 "glsl_lexer.lpp" +return MAT2; + YY_BREAK +case 39: +YY_RULE_SETUP +#line 135 "glsl_lexer.lpp" +return MAT3; + YY_BREAK +case 40: +YY_RULE_SETUP +#line 136 "glsl_lexer.lpp" +return MAT4; + YY_BREAK +case 41: +YY_RULE_SETUP +#line 137 "glsl_lexer.lpp" +return MAT2X2; + YY_BREAK +case 42: +YY_RULE_SETUP +#line 138 "glsl_lexer.lpp" +return MAT2X3; + YY_BREAK +case 43: +YY_RULE_SETUP +#line 139 "glsl_lexer.lpp" +return MAT2X4; + YY_BREAK +case 44: +YY_RULE_SETUP +#line 140 "glsl_lexer.lpp" +return MAT3X2; + YY_BREAK +case 45: +YY_RULE_SETUP +#line 141 "glsl_lexer.lpp" +return MAT3X3; + YY_BREAK +case 46: +YY_RULE_SETUP +#line 142 "glsl_lexer.lpp" +return MAT3X4; + YY_BREAK +case 47: +YY_RULE_SETUP +#line 143 "glsl_lexer.lpp" +return MAT4X2; + YY_BREAK +case 48: +YY_RULE_SETUP +#line 144 "glsl_lexer.lpp" +return MAT4X3; + YY_BREAK +case 49: +YY_RULE_SETUP +#line 145 "glsl_lexer.lpp" +return MAT4X4; + YY_BREAK +case 50: +YY_RULE_SETUP +#line 147 "glsl_lexer.lpp" +return IN; + YY_BREAK +case 51: +YY_RULE_SETUP +#line 148 "glsl_lexer.lpp" +return OUT; + YY_BREAK +case 52: +YY_RULE_SETUP +#line 149 "glsl_lexer.lpp" +return INOUT; + YY_BREAK +case 53: +YY_RULE_SETUP +#line 150 "glsl_lexer.lpp" +return UNIFORM; + YY_BREAK +case 54: +YY_RULE_SETUP +#line 151 "glsl_lexer.lpp" +return VARYING; + YY_BREAK +case 55: +YY_RULE_SETUP +#line 152 "glsl_lexer.lpp" +{ + if (yyextra->language_version >= 120) { + return CENTROID; + } else { + yylval->identifier = strdup(yytext); + return IDENTIFIER; + } + } + YY_BREAK +case 56: +YY_RULE_SETUP +#line 160 "glsl_lexer.lpp" +{ + if (yyextra->language_version >= 120) { + return INVARIANT; + } else { + yylval->identifier = strdup(yytext); + return IDENTIFIER; + } + } + YY_BREAK +case 57: +YY_RULE_SETUP +#line 169 "glsl_lexer.lpp" +{ + if (yyextra->language_version >= 130) { + return FLAT; + } else { + yylval->identifier = strdup(yytext); + return IDENTIFIER; + } + } + YY_BREAK +case 58: +YY_RULE_SETUP +#line 177 "glsl_lexer.lpp" +{ + if (yyextra->language_version >= 130) { + return SMOOTH; + } else { + yylval->identifier = strdup(yytext); + return IDENTIFIER; + } + } + YY_BREAK +case 59: +YY_RULE_SETUP +#line 185 "glsl_lexer.lpp" +{ + if (yyextra->language_version >= 130) { + return NOPERSPECTIVE; + } else { + yylval->identifier = strdup(yytext); + return IDENTIFIER; + } + } + YY_BREAK +case 60: +YY_RULE_SETUP +#line 194 "glsl_lexer.lpp" +return SAMPLER1D; + YY_BREAK +case 61: +YY_RULE_SETUP +#line 195 "glsl_lexer.lpp" +return SAMPLER2D; + YY_BREAK +case 62: +YY_RULE_SETUP +#line 196 "glsl_lexer.lpp" +return SAMPLER3D; + YY_BREAK +case 63: +YY_RULE_SETUP +#line 197 "glsl_lexer.lpp" +return SAMPLERCUBE; + YY_BREAK +case 64: +YY_RULE_SETUP +#line 198 "glsl_lexer.lpp" +return SAMPLER1DSHADOW; + YY_BREAK +case 65: +YY_RULE_SETUP +#line 199 "glsl_lexer.lpp" +return SAMPLER2DSHADOW; + YY_BREAK +case 66: +YY_RULE_SETUP +#line 201 "glsl_lexer.lpp" +return STRUCT; + YY_BREAK +case 67: +YY_RULE_SETUP +#line 202 "glsl_lexer.lpp" +return VOID; + YY_BREAK +case 68: +YY_RULE_SETUP +#line 204 "glsl_lexer.lpp" +return INC_OP; + YY_BREAK +case 69: +YY_RULE_SETUP +#line 205 "glsl_lexer.lpp" +return DEC_OP; + YY_BREAK +case 70: +YY_RULE_SETUP +#line 206 "glsl_lexer.lpp" +return LE_OP; + YY_BREAK +case 71: +YY_RULE_SETUP +#line 207 "glsl_lexer.lpp" +return GE_OP; + YY_BREAK +case 72: +YY_RULE_SETUP +#line 208 "glsl_lexer.lpp" +return EQ_OP; + YY_BREAK +case 73: +YY_RULE_SETUP +#line 209 "glsl_lexer.lpp" +return NE_OP; + YY_BREAK +case 74: +YY_RULE_SETUP +#line 210 "glsl_lexer.lpp" +return AND_OP; + YY_BREAK +case 75: +YY_RULE_SETUP +#line 211 "glsl_lexer.lpp" +return OR_OP; + YY_BREAK +case 76: +YY_RULE_SETUP +#line 212 "glsl_lexer.lpp" +return XOR_OP; + YY_BREAK +case 77: +YY_RULE_SETUP +#line 214 "glsl_lexer.lpp" +return MUL_ASSIGN; + YY_BREAK +case 78: +YY_RULE_SETUP +#line 215 "glsl_lexer.lpp" +return DIV_ASSIGN; + YY_BREAK +case 79: +YY_RULE_SETUP +#line 216 "glsl_lexer.lpp" +return ADD_ASSIGN; + YY_BREAK +case 80: +YY_RULE_SETUP +#line 217 "glsl_lexer.lpp" +return MOD_ASSIGN; + YY_BREAK +case 81: +YY_RULE_SETUP +#line 218 "glsl_lexer.lpp" +return LEFT_ASSIGN; + YY_BREAK +case 82: +YY_RULE_SETUP +#line 219 "glsl_lexer.lpp" +return RIGHT_ASSIGN; + YY_BREAK +case 83: +YY_RULE_SETUP +#line 220 "glsl_lexer.lpp" +return AND_ASSIGN; + YY_BREAK +case 84: +YY_RULE_SETUP +#line 221 "glsl_lexer.lpp" +return XOR_ASSIGN; + YY_BREAK +case 85: +YY_RULE_SETUP +#line 222 "glsl_lexer.lpp" +return OR_ASSIGN; + YY_BREAK +case 86: +YY_RULE_SETUP +#line 223 "glsl_lexer.lpp" +return SUB_ASSIGN; + YY_BREAK +case 87: +YY_RULE_SETUP +#line 225 "glsl_lexer.lpp" +{ + yylval->n = strtol(yytext, NULL, 10); + return INTCONSTANT; + } + YY_BREAK +case 88: +YY_RULE_SETUP +#line 229 "glsl_lexer.lpp" +{ + yylval->n = strtol(yytext + 2, NULL, 16); + return INTCONSTANT; + } + YY_BREAK +case 89: +YY_RULE_SETUP +#line 233 "glsl_lexer.lpp" +{ + yylval->n = strtol(yytext, NULL, 8); + return INTCONSTANT; + } + YY_BREAK +case 90: +YY_RULE_SETUP +#line 238 "glsl_lexer.lpp" +{ + yylval->real = strtod(yytext, NULL); + return FLOATCONSTANT; + } + YY_BREAK +case 91: +YY_RULE_SETUP +#line 242 "glsl_lexer.lpp" +{ + yylval->real = strtod(yytext, NULL); + return FLOATCONSTANT; + } + YY_BREAK +case 92: +YY_RULE_SETUP +#line 246 "glsl_lexer.lpp" +{ + yylval->real = strtod(yytext, NULL); + return FLOATCONSTANT; + } + YY_BREAK +case 93: +YY_RULE_SETUP +#line 250 "glsl_lexer.lpp" +{ + yylval->real = strtod(yytext, NULL); + return FLOATCONSTANT; + } + YY_BREAK +case 94: +YY_RULE_SETUP +#line 255 "glsl_lexer.lpp" +{ + yylval->n = 1; + return BOOLCONSTANT; + } + YY_BREAK +case 95: +YY_RULE_SETUP +#line 259 "glsl_lexer.lpp" +{ + yylval->n = 0; + return BOOLCONSTANT; + } + YY_BREAK +/* Reserved words in GLSL 1.10. */ +case 96: +YY_RULE_SETUP +#line 266 "glsl_lexer.lpp" +return ASM; + YY_BREAK +case 97: +YY_RULE_SETUP +#line 267 "glsl_lexer.lpp" +return CLASS; + YY_BREAK +case 98: +YY_RULE_SETUP +#line 268 "glsl_lexer.lpp" +return UNION; + YY_BREAK +case 99: +YY_RULE_SETUP +#line 269 "glsl_lexer.lpp" +return ENUM; + YY_BREAK +case 100: +YY_RULE_SETUP +#line 270 "glsl_lexer.lpp" +return TYPEDEF; + YY_BREAK +case 101: +YY_RULE_SETUP +#line 271 "glsl_lexer.lpp" +return TEMPLATE; + YY_BREAK +case 102: +YY_RULE_SETUP +#line 272 "glsl_lexer.lpp" +return THIS; + YY_BREAK +case 103: +YY_RULE_SETUP +#line 273 "glsl_lexer.lpp" +return PACKED; + YY_BREAK +case 104: +YY_RULE_SETUP +#line 274 "glsl_lexer.lpp" +return GOTO; + YY_BREAK +case 105: +YY_RULE_SETUP +#line 275 "glsl_lexer.lpp" +return SWITCH; + YY_BREAK +case 106: +YY_RULE_SETUP +#line 276 "glsl_lexer.lpp" +return DEFAULT; + YY_BREAK +case 107: +YY_RULE_SETUP +#line 277 "glsl_lexer.lpp" +return INLINE_TOK; + YY_BREAK +case 108: +YY_RULE_SETUP +#line 278 "glsl_lexer.lpp" +return NOINLINE; + YY_BREAK +case 109: +YY_RULE_SETUP +#line 279 "glsl_lexer.lpp" +return VOLATILE; + YY_BREAK +case 110: +YY_RULE_SETUP +#line 280 "glsl_lexer.lpp" +return PUBLIC_TOK; + YY_BREAK +case 111: +YY_RULE_SETUP +#line 281 "glsl_lexer.lpp" +return STATIC; + YY_BREAK +case 112: +YY_RULE_SETUP +#line 282 "glsl_lexer.lpp" +return EXTERN; + YY_BREAK +case 113: +YY_RULE_SETUP +#line 283 "glsl_lexer.lpp" +return EXTERNAL; + YY_BREAK +case 114: +YY_RULE_SETUP +#line 284 "glsl_lexer.lpp" +return INTERFACE; + YY_BREAK +case 115: +YY_RULE_SETUP +#line 285 "glsl_lexer.lpp" +return LONG; + YY_BREAK +case 116: +YY_RULE_SETUP +#line 286 "glsl_lexer.lpp" +return SHORT; + YY_BREAK +case 117: +YY_RULE_SETUP +#line 287 "glsl_lexer.lpp" +return DOUBLE; + YY_BREAK +case 118: +YY_RULE_SETUP +#line 288 "glsl_lexer.lpp" +return HALF; + YY_BREAK +case 119: +YY_RULE_SETUP +#line 289 "glsl_lexer.lpp" +return FIXED; + YY_BREAK +case 120: +YY_RULE_SETUP +#line 290 "glsl_lexer.lpp" +return UNSIGNED; + YY_BREAK +case 121: +YY_RULE_SETUP +#line 291 "glsl_lexer.lpp" +return INPUT; + YY_BREAK +case 122: +YY_RULE_SETUP +#line 292 "glsl_lexer.lpp" +return OUTPUT; + YY_BREAK +case 123: +YY_RULE_SETUP +#line 293 "glsl_lexer.lpp" +return HVEC2; + YY_BREAK +case 124: +YY_RULE_SETUP +#line 294 "glsl_lexer.lpp" +return HVEC3; + YY_BREAK +case 125: +YY_RULE_SETUP +#line 295 "glsl_lexer.lpp" +return HVEC4; + YY_BREAK +case 126: +YY_RULE_SETUP +#line 296 "glsl_lexer.lpp" +return DVEC2; + YY_BREAK +case 127: +YY_RULE_SETUP +#line 297 "glsl_lexer.lpp" +return DVEC3; + YY_BREAK +case 128: +YY_RULE_SETUP +#line 298 "glsl_lexer.lpp" +return DVEC4; + YY_BREAK +case 129: +YY_RULE_SETUP +#line 299 "glsl_lexer.lpp" +return FVEC2; + YY_BREAK +case 130: +YY_RULE_SETUP +#line 300 "glsl_lexer.lpp" +return FVEC3; + YY_BREAK +case 131: +YY_RULE_SETUP +#line 301 "glsl_lexer.lpp" +return FVEC4; + YY_BREAK +case 132: +YY_RULE_SETUP +#line 302 "glsl_lexer.lpp" +return SAMPLER2DRECT; + YY_BREAK +case 133: +YY_RULE_SETUP +#line 303 "glsl_lexer.lpp" +return SAMPLER3DRECT; + YY_BREAK +case 134: +YY_RULE_SETUP +#line 304 "glsl_lexer.lpp" +return SAMPLER2DRECTSHADOW; + YY_BREAK +case 135: +YY_RULE_SETUP +#line 305 "glsl_lexer.lpp" +return SIZEOF; + YY_BREAK +case 136: +YY_RULE_SETUP +#line 306 "glsl_lexer.lpp" +return CAST; + YY_BREAK +case 137: +YY_RULE_SETUP +#line 307 "glsl_lexer.lpp" +return NAMESPACE; + YY_BREAK +case 138: +YY_RULE_SETUP +#line 308 "glsl_lexer.lpp" +return USING; + YY_BREAK +/* Additional reserved words in GLSL 1.20. */ +case 139: +YY_RULE_SETUP +#line 311 "glsl_lexer.lpp" +return LOWP; + YY_BREAK +case 140: +YY_RULE_SETUP +#line 312 "glsl_lexer.lpp" +return MEDIUMP; + YY_BREAK +case 141: +YY_RULE_SETUP +#line 313 "glsl_lexer.lpp" +return HIGHP; + YY_BREAK +case 142: +YY_RULE_SETUP +#line 314 "glsl_lexer.lpp" +return PRECISION; + YY_BREAK +case 143: +YY_RULE_SETUP +#line 316 "glsl_lexer.lpp" +{ + struct _mesa_glsl_parse_state *state = yyextra; + void *ctx = state; + yylval->identifier = talloc_strdup(ctx, yytext); + return IDENTIFIER; + } + YY_BREAK +case 144: +YY_RULE_SETUP +#line 323 "glsl_lexer.lpp" +{ return yytext[0]; } + YY_BREAK +case 145: +YY_RULE_SETUP +#line 325 "glsl_lexer.lpp" +ECHO; + YY_BREAK +#line 2017 "glsl_lexer.cpp" +case YY_STATE_EOF(INITIAL): +case YY_STATE_EOF(PP): + yyterminate(); + + case YY_END_OF_BUFFER: + { + /* Amount of text matched not including the EOB char. */ + int yy_amount_of_matched_text = (int) (yy_cp - yyg->yytext_ptr) - 1; + + /* Undo the effects of YY_DO_BEFORE_ACTION. */ + *yy_cp = yyg->yy_hold_char; + YY_RESTORE_YY_MORE_OFFSET + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW ) + { + /* We're scanning a new file or input source. It's + * possible that this happened because the user + * just pointed yyin at a new source and called + * _mesa_glsl_lex(). If so, then we have to assure + * consistency between YY_CURRENT_BUFFER and our + * globals. Here is the right place to do so, because + * this is the first action (other than possibly a + * back-up) that will match for the new input source. + */ + yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL; + } + + /* Note that here we test for yy_c_buf_p "<=" to the position + * of the first EOB in the buffer, since yy_c_buf_p will + * already have been incremented past the NUL character + * (since all states make transitions on EOB to the + * end-of-buffer state). Contrast this with the test + * in input(). + */ + if ( yyg->yy_c_buf_p <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] ) + { /* This was really a NUL. */ + yy_state_type yy_next_state; + + yyg->yy_c_buf_p = yyg->yytext_ptr + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( yyscanner ); + + /* Okay, we're now positioned to make the NUL + * transition. We couldn't have + * yy_get_previous_state() go ahead and do it + * for us because it doesn't know how to deal + * with the possibility of jamming (and we don't + * want to build jamming into it because then it + * will run more slowly). + */ + + yy_next_state = yy_try_NUL_trans( yy_current_state , yyscanner); + + yy_bp = yyg->yytext_ptr + YY_MORE_ADJ; + + if ( yy_next_state ) + { + /* Consume the NUL. */ + yy_cp = ++yyg->yy_c_buf_p; + yy_current_state = yy_next_state; + goto yy_match; + } + + else + { + yy_cp = yyg->yy_last_accepting_cpos; + yy_current_state = yyg->yy_last_accepting_state; + goto yy_find_action; + } + } + + else switch ( yy_get_next_buffer( yyscanner ) ) + { + case EOB_ACT_END_OF_FILE: + { + yyg->yy_did_buffer_switch_on_eof = 0; + + if ( _mesa_glsl_wrap(yyscanner ) ) + { + /* Note: because we've taken care in + * yy_get_next_buffer() to have set up + * yytext, we can now set up + * yy_c_buf_p so that if some total + * hoser (like flex itself) wants to + * call the scanner after we return the + * YY_NULL, it'll still work - another + * YY_NULL will get returned. + */ + yyg->yy_c_buf_p = yyg->yytext_ptr + YY_MORE_ADJ; + + yy_act = YY_STATE_EOF(YY_START); + goto do_action; + } + + else + { + if ( ! yyg->yy_did_buffer_switch_on_eof ) + YY_NEW_FILE; + } + break; + } + + case EOB_ACT_CONTINUE_SCAN: + yyg->yy_c_buf_p = + yyg->yytext_ptr + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( yyscanner ); + + yy_cp = yyg->yy_c_buf_p; + yy_bp = yyg->yytext_ptr + YY_MORE_ADJ; + goto yy_match; + + case EOB_ACT_LAST_MATCH: + yyg->yy_c_buf_p = + &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars]; + + yy_current_state = yy_get_previous_state( yyscanner ); + + yy_cp = yyg->yy_c_buf_p; + yy_bp = yyg->yytext_ptr + YY_MORE_ADJ; + goto yy_find_action; + } + break; + } + + default: + YY_FATAL_ERROR( + "fatal flex scanner internal error--no action found" ); + } /* end of action switch */ + } /* end of scanning one token */ +} /* end of _mesa_glsl_lex */ + +/* yy_get_next_buffer - try to read in a new buffer + * + * Returns a code representing an action: + * EOB_ACT_LAST_MATCH - + * EOB_ACT_CONTINUE_SCAN - continue scanning from current position + * EOB_ACT_END_OF_FILE - end of file + */ +static int yy_get_next_buffer (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; + register char *source = yyg->yytext_ptr; + register int number_to_move, i; + int ret_val; + + if ( yyg->yy_c_buf_p > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] ) + YY_FATAL_ERROR( + "fatal flex scanner internal error--end of buffer missed" ); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) + { /* Don't try to fill the buffer, so this is an EOF. */ + if ( yyg->yy_c_buf_p - yyg->yytext_ptr - YY_MORE_ADJ == 1 ) + { + /* We matched a single character, the EOB, so + * treat this as a final EOF. + */ + return EOB_ACT_END_OF_FILE; + } + + else + { + /* We matched some text prior to the EOB, first + * process it. + */ + return EOB_ACT_LAST_MATCH; + } + } + + /* Try to read more data. */ + + /* First move last chars to start of buffer. */ + number_to_move = (int) (yyg->yy_c_buf_p - yyg->yytext_ptr) - 1; + + for ( i = 0; i < number_to_move; ++i ) + *(dest++) = *(source++); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) + /* don't do the read, it's not guaranteed to return an EOF, + * just force an EOF + */ + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars = 0; + + else + { + int num_to_read = + YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; + + while ( num_to_read <= 0 ) + { /* Not enough room in the buffer - grow it. */ + + /* just a shorter name for the current buffer */ + YY_BUFFER_STATE b = YY_CURRENT_BUFFER; + + int yy_c_buf_p_offset = + (int) (yyg->yy_c_buf_p - b->yy_ch_buf); + + if ( b->yy_is_our_buffer ) + { + int new_size = b->yy_buf_size * 2; + + if ( new_size <= 0 ) + b->yy_buf_size += b->yy_buf_size / 8; + else + b->yy_buf_size *= 2; + + b->yy_ch_buf = (char *) + /* Include room in for 2 EOB chars. */ + _mesa_glsl_realloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ,yyscanner ); + } + else + /* Can't grow it, we don't own it. */ + b->yy_ch_buf = 0; + + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( + "fatal error - scanner input buffer overflow" ); + + yyg->yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset]; + + num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - + number_to_move - 1; + + } + + if ( num_to_read > YY_READ_BUF_SIZE ) + num_to_read = YY_READ_BUF_SIZE; + + /* Read in more data. */ + YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), + yyg->yy_n_chars, (size_t) num_to_read ); + + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars; + } + + if ( yyg->yy_n_chars == 0 ) + { + if ( number_to_move == YY_MORE_ADJ ) + { + ret_val = EOB_ACT_END_OF_FILE; + _mesa_glsl_restart(yyin ,yyscanner); + } + + else + { + ret_val = EOB_ACT_LAST_MATCH; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = + YY_BUFFER_EOF_PENDING; + } + } + + else + ret_val = EOB_ACT_CONTINUE_SCAN; + + if ((yy_size_t) (yyg->yy_n_chars + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) { + /* Extend the array by 50%, plus the number we really need. */ + yy_size_t new_size = yyg->yy_n_chars + number_to_move + (yyg->yy_n_chars >> 1); + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) _mesa_glsl_realloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size ,yyscanner ); + if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" ); + } + + yyg->yy_n_chars += number_to_move; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] = YY_END_OF_BUFFER_CHAR; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR; + + yyg->yytext_ptr = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0]; + + return ret_val; +} + +/* yy_get_previous_state - get the state just before the EOB char was reached */ + + static yy_state_type yy_get_previous_state (yyscan_t yyscanner) +{ + register yy_state_type yy_current_state; + register char *yy_cp; + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + yy_current_state = yyg->yy_start; + yy_current_state += YY_AT_BOL(); + + for ( yy_cp = yyg->yytext_ptr + YY_MORE_ADJ; yy_cp < yyg->yy_c_buf_p; ++yy_cp ) + { + register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); + if ( yy_accept[yy_current_state] ) + { + yyg->yy_last_accepting_state = yy_current_state; + yyg->yy_last_accepting_cpos = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 519 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + } + + return yy_current_state; +} + +/* yy_try_NUL_trans - try to make a transition on the NUL character + * + * synopsis + * next_state = yy_try_NUL_trans( current_state ); + */ + static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state , yyscan_t yyscanner) +{ + register int yy_is_jam; + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; /* This var may be unused depending upon options. */ + register char *yy_cp = yyg->yy_c_buf_p; + + register YY_CHAR yy_c = 1; + if ( yy_accept[yy_current_state] ) + { + yyg->yy_last_accepting_state = yy_current_state; + yyg->yy_last_accepting_cpos = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 519 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + yy_is_jam = (yy_current_state == 518); + + return yy_is_jam ? 0 : yy_current_state; +} + +#ifndef YY_NO_INPUT +#ifdef __cplusplus + static int yyinput (yyscan_t yyscanner) +#else + static int input (yyscan_t yyscanner) +#endif + +{ + int c; + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + *yyg->yy_c_buf_p = yyg->yy_hold_char; + + if ( *yyg->yy_c_buf_p == YY_END_OF_BUFFER_CHAR ) + { + /* yy_c_buf_p now points to the character we want to return. + * If this occurs *before* the EOB characters, then it's a + * valid NUL; if not, then we've hit the end of the buffer. + */ + if ( yyg->yy_c_buf_p < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] ) + /* This was really a NUL. */ + *yyg->yy_c_buf_p = '\0'; + + else + { /* need more input */ + int offset = yyg->yy_c_buf_p - yyg->yytext_ptr; + ++yyg->yy_c_buf_p; + + switch ( yy_get_next_buffer( yyscanner ) ) + { + case EOB_ACT_LAST_MATCH: + /* This happens because yy_g_n_b() + * sees that we've accumulated a + * token and flags that we need to + * try matching the token before + * proceeding. But for input(), + * there's no matching to consider. + * So convert the EOB_ACT_LAST_MATCH + * to EOB_ACT_END_OF_FILE. + */ + + /* Reset buffer status. */ + _mesa_glsl_restart(yyin ,yyscanner); + + /*FALLTHROUGH*/ + + case EOB_ACT_END_OF_FILE: + { + if ( _mesa_glsl_wrap(yyscanner ) ) + return EOF; + + if ( ! yyg->yy_did_buffer_switch_on_eof ) + YY_NEW_FILE; +#ifdef __cplusplus + return yyinput(yyscanner); +#else + return input(yyscanner); +#endif + } + + case EOB_ACT_CONTINUE_SCAN: + yyg->yy_c_buf_p = yyg->yytext_ptr + offset; + break; + } + } + } + + c = *(unsigned char *) yyg->yy_c_buf_p; /* cast for 8-bit char's */ + *yyg->yy_c_buf_p = '\0'; /* preserve yytext */ + yyg->yy_hold_char = *++yyg->yy_c_buf_p; + + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = (c == '\n'); + + return c; +} +#endif /* ifndef YY_NO_INPUT */ + +/** Immediately switch to a different input stream. + * @param input_file A readable stream. + * @param yyscanner The scanner object. + * @note This function does not reset the start condition to @c INITIAL . + */ + void _mesa_glsl_restart (FILE * input_file , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + if ( ! YY_CURRENT_BUFFER ){ + _mesa_glsl_ensure_buffer_stack (yyscanner); + YY_CURRENT_BUFFER_LVALUE = + _mesa_glsl__create_buffer(yyin,YY_BUF_SIZE ,yyscanner); + } + + _mesa_glsl__init_buffer(YY_CURRENT_BUFFER,input_file ,yyscanner); + _mesa_glsl__load_buffer_state(yyscanner ); +} + +/** Switch to a different input buffer. + * @param new_buffer The new input buffer. + * @param yyscanner The scanner object. + */ + void _mesa_glsl__switch_to_buffer (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + /* TODO. We should be able to replace this entire function body + * with + * _mesa_glsl_pop_buffer_state(); + * _mesa_glsl_push_buffer_state(new_buffer); + */ + _mesa_glsl_ensure_buffer_stack (yyscanner); + if ( YY_CURRENT_BUFFER == new_buffer ) + return; + + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *yyg->yy_c_buf_p = yyg->yy_hold_char; + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p; + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars; + } + + YY_CURRENT_BUFFER_LVALUE = new_buffer; + _mesa_glsl__load_buffer_state(yyscanner ); + + /* We don't actually know whether we did this switch during + * EOF (_mesa_glsl_wrap()) processing, but the only time this flag + * is looked at is after _mesa_glsl_wrap() is called, so it's safe + * to go ahead and always set it. + */ + yyg->yy_did_buffer_switch_on_eof = 1; +} + +static void _mesa_glsl__load_buffer_state (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + yyg->yytext_ptr = yyg->yy_c_buf_p = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; + yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file; + yyg->yy_hold_char = *yyg->yy_c_buf_p; +} + +/** Allocate and initialize an input buffer state. + * @param file A readable stream. + * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. + * @param yyscanner The scanner object. + * @return the allocated buffer state. + */ + YY_BUFFER_STATE _mesa_glsl__create_buffer (FILE * file, int size , yyscan_t yyscanner) +{ + YY_BUFFER_STATE b; + + b = (YY_BUFFER_STATE) _mesa_glsl_alloc(sizeof( struct yy_buffer_state ) ,yyscanner ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in _mesa_glsl__create_buffer()" ); + + b->yy_buf_size = size; + + /* yy_ch_buf has to be 2 characters longer than the size given because + * we need to put in 2 end-of-buffer characters. + */ + b->yy_ch_buf = (char *) _mesa_glsl_alloc(b->yy_buf_size + 2 ,yyscanner ); + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in _mesa_glsl__create_buffer()" ); + + b->yy_is_our_buffer = 1; + + _mesa_glsl__init_buffer(b,file ,yyscanner); + + return b; +} + +/** Destroy the buffer. + * @param b a buffer created with _mesa_glsl__create_buffer() + * @param yyscanner The scanner object. + */ + void _mesa_glsl__delete_buffer (YY_BUFFER_STATE b , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + if ( ! b ) + return; + + if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */ + YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; + + if ( b->yy_is_our_buffer ) + _mesa_glsl_free((void *) b->yy_ch_buf ,yyscanner ); + + _mesa_glsl_free((void *) b ,yyscanner ); +} + +/* Initializes or reinitializes a buffer. + * This function is sometimes called more than once on the same buffer, + * such as during a _mesa_glsl_restart() or at EOF. + */ + static void _mesa_glsl__init_buffer (YY_BUFFER_STATE b, FILE * file , yyscan_t yyscanner) + +{ + int oerrno = errno; + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + _mesa_glsl__flush_buffer(b ,yyscanner); + + b->yy_input_file = file; + b->yy_fill_buffer = 1; + + /* If b is the current buffer, then _mesa_glsl__init_buffer was _probably_ + * called from _mesa_glsl_restart() or through yy_get_next_buffer. + * In that case, we don't want to reset the lineno or column. + */ + if (b != YY_CURRENT_BUFFER){ + b->yy_bs_lineno = 1; + b->yy_bs_column = 0; + } + + b->yy_is_interactive = 0; + + errno = oerrno; +} + +/** Discard all buffered characters. On the next scan, YY_INPUT will be called. + * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. + * @param yyscanner The scanner object. + */ + void _mesa_glsl__flush_buffer (YY_BUFFER_STATE b , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + if ( ! b ) + return; + + b->yy_n_chars = 0; + + /* We always need two end-of-buffer characters. The first causes + * a transition to the end-of-buffer state. The second causes + * a jam in that state. + */ + b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; + b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; + + b->yy_buf_pos = &b->yy_ch_buf[0]; + + b->yy_at_bol = 1; + b->yy_buffer_status = YY_BUFFER_NEW; + + if ( b == YY_CURRENT_BUFFER ) + _mesa_glsl__load_buffer_state(yyscanner ); +} + +/** Pushes the new state onto the stack. The new state becomes + * the current state. This function will allocate the stack + * if necessary. + * @param new_buffer The new state. + * @param yyscanner The scanner object. + */ +void _mesa_glsl_push_buffer_state (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + if (new_buffer == NULL) + return; + + _mesa_glsl_ensure_buffer_stack(yyscanner); + + /* This block is copied from _mesa_glsl__switch_to_buffer. */ + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *yyg->yy_c_buf_p = yyg->yy_hold_char; + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p; + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars; + } + + /* Only push if top exists. Otherwise, replace top. */ + if (YY_CURRENT_BUFFER) + yyg->yy_buffer_stack_top++; + YY_CURRENT_BUFFER_LVALUE = new_buffer; + + /* copied from _mesa_glsl__switch_to_buffer. */ + _mesa_glsl__load_buffer_state(yyscanner ); + yyg->yy_did_buffer_switch_on_eof = 1; +} + +/** Removes and deletes the top of the stack, if present. + * The next element becomes the new top. + * @param yyscanner The scanner object. + */ +void _mesa_glsl_pop_buffer_state (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + if (!YY_CURRENT_BUFFER) + return; + + _mesa_glsl__delete_buffer(YY_CURRENT_BUFFER ,yyscanner); + YY_CURRENT_BUFFER_LVALUE = NULL; + if (yyg->yy_buffer_stack_top > 0) + --yyg->yy_buffer_stack_top; + + if (YY_CURRENT_BUFFER) { + _mesa_glsl__load_buffer_state(yyscanner ); + yyg->yy_did_buffer_switch_on_eof = 1; + } +} + +/* Allocates the stack if it does not exist. + * Guarantees space for at least one push. + */ +static void _mesa_glsl_ensure_buffer_stack (yyscan_t yyscanner) +{ + int num_to_alloc; + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + if (!yyg->yy_buffer_stack) { + + /* First allocation is just for 2 elements, since we don't know if this + * scanner will even need a stack. We use 2 instead of 1 to avoid an + * immediate realloc on the next call. + */ + num_to_alloc = 1; + yyg->yy_buffer_stack = (struct yy_buffer_state**)_mesa_glsl_alloc + (num_to_alloc * sizeof(struct yy_buffer_state*) + , yyscanner); + if ( ! yyg->yy_buffer_stack ) + YY_FATAL_ERROR( "out of dynamic memory in _mesa_glsl_ensure_buffer_stack()" ); + + memset(yyg->yy_buffer_stack, 0, num_to_alloc * sizeof(struct yy_buffer_state*)); + + yyg->yy_buffer_stack_max = num_to_alloc; + yyg->yy_buffer_stack_top = 0; + return; + } + + if (yyg->yy_buffer_stack_top >= (yyg->yy_buffer_stack_max) - 1){ + + /* Increase the buffer to prepare for a possible push. */ + int grow_size = 8 /* arbitrary grow size */; + + num_to_alloc = yyg->yy_buffer_stack_max + grow_size; + yyg->yy_buffer_stack = (struct yy_buffer_state**)_mesa_glsl_realloc + (yyg->yy_buffer_stack, + num_to_alloc * sizeof(struct yy_buffer_state*) + , yyscanner); + if ( ! yyg->yy_buffer_stack ) + YY_FATAL_ERROR( "out of dynamic memory in _mesa_glsl_ensure_buffer_stack()" ); + + /* zero only the new slots.*/ + memset(yyg->yy_buffer_stack + yyg->yy_buffer_stack_max, 0, grow_size * sizeof(struct yy_buffer_state*)); + yyg->yy_buffer_stack_max = num_to_alloc; + } +} + +/** Setup the input buffer state to scan directly from a user-specified character buffer. + * @param base the character buffer + * @param size the size in bytes of the character buffer + * @param yyscanner The scanner object. + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE _mesa_glsl__scan_buffer (char * base, yy_size_t size , yyscan_t yyscanner) +{ + YY_BUFFER_STATE b; + + if ( size < 2 || + base[size-2] != YY_END_OF_BUFFER_CHAR || + base[size-1] != YY_END_OF_BUFFER_CHAR ) + /* They forgot to leave room for the EOB's. */ + return 0; + + b = (YY_BUFFER_STATE) _mesa_glsl_alloc(sizeof( struct yy_buffer_state ) ,yyscanner ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in _mesa_glsl__scan_buffer()" ); + + b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */ + b->yy_buf_pos = b->yy_ch_buf = base; + b->yy_is_our_buffer = 0; + b->yy_input_file = 0; + b->yy_n_chars = b->yy_buf_size; + b->yy_is_interactive = 0; + b->yy_at_bol = 1; + b->yy_fill_buffer = 0; + b->yy_buffer_status = YY_BUFFER_NEW; + + _mesa_glsl__switch_to_buffer(b ,yyscanner ); + + return b; +} + +/** Setup the input buffer state to scan a string. The next call to _mesa_glsl_lex() will + * scan from a @e copy of @a str. + * @param yystr a NUL-terminated string to scan + * @param yyscanner The scanner object. + * @return the newly allocated buffer state object. + * @note If you want to scan bytes that may contain NUL values, then use + * _mesa_glsl__scan_bytes() instead. + */ +YY_BUFFER_STATE _mesa_glsl__scan_string (yyconst char * yystr , yyscan_t yyscanner) +{ + + return _mesa_glsl__scan_bytes(yystr,strlen(yystr) ,yyscanner); +} + +/** Setup the input buffer state to scan the given bytes. The next call to _mesa_glsl_lex() will + * scan from a @e copy of @a bytes. + * @param yybytes the byte buffer to scan + * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes. + * @param yyscanner The scanner object. + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE _mesa_glsl__scan_bytes (yyconst char * yybytes, int _yybytes_len , yyscan_t yyscanner) +{ + YY_BUFFER_STATE b; + char *buf; + yy_size_t n; + int i; + + /* Get memory for full buffer, including space for trailing EOB's. */ + n = _yybytes_len + 2; + buf = (char *) _mesa_glsl_alloc(n ,yyscanner ); + if ( ! buf ) + YY_FATAL_ERROR( "out of dynamic memory in _mesa_glsl__scan_bytes()" ); + + for ( i = 0; i < _yybytes_len; ++i ) + buf[i] = yybytes[i]; + + buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR; + + b = _mesa_glsl__scan_buffer(buf,n ,yyscanner); + if ( ! b ) + YY_FATAL_ERROR( "bad buffer in _mesa_glsl__scan_bytes()" ); + + /* It's okay to grow etc. this buffer, and we should throw it + * away when we're done. + */ + b->yy_is_our_buffer = 1; + + return b; +} + +#ifndef YY_EXIT_FAILURE +#define YY_EXIT_FAILURE 2 +#endif + +static void yy_fatal_error (yyconst char* msg , yyscan_t yyscanner) +{ + (void) fprintf( stderr, "%s\n", msg ); + exit( YY_EXIT_FAILURE ); +} + +/* Redefine yyless() so it works in section 3 code. */ + +#undef yyless +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + yytext[yyleng] = yyg->yy_hold_char; \ + yyg->yy_c_buf_p = yytext + yyless_macro_arg; \ + yyg->yy_hold_char = *yyg->yy_c_buf_p; \ + *yyg->yy_c_buf_p = '\0'; \ + yyleng = yyless_macro_arg; \ + } \ + while ( 0 ) + +/* Accessor methods (get/set functions) to struct members. */ + +/** Get the user-defined data for this scanner. + * @param yyscanner The scanner object. + */ +YY_EXTRA_TYPE _mesa_glsl_get_extra (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yyextra; +} + +/** Get the current line number. + * @param yyscanner The scanner object. + */ +int _mesa_glsl_get_lineno (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + if (! YY_CURRENT_BUFFER) + return 0; + + return yylineno; +} + +/** Get the current column number. + * @param yyscanner The scanner object. + */ +int _mesa_glsl_get_column (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + if (! YY_CURRENT_BUFFER) + return 0; + + return yycolumn; +} + +/** Get the input stream. + * @param yyscanner The scanner object. + */ +FILE *_mesa_glsl_get_in (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yyin; +} + +/** Get the output stream. + * @param yyscanner The scanner object. + */ +FILE *_mesa_glsl_get_out (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yyout; +} + +/** Get the length of the current token. + * @param yyscanner The scanner object. + */ +int _mesa_glsl_get_leng (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yyleng; +} + +/** Get the current token. + * @param yyscanner The scanner object. + */ + +char *_mesa_glsl_get_text (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yytext; +} + +/** Set the user-defined data. This data is never touched by the scanner. + * @param user_defined The data to be associated with this scanner. + * @param yyscanner The scanner object. + */ +void _mesa_glsl_set_extra (YY_EXTRA_TYPE user_defined , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yyextra = user_defined ; +} + +/** Set the current line number. + * @param line_number + * @param yyscanner The scanner object. + */ +void _mesa_glsl_set_lineno (int line_number , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + /* lineno is only valid if an input buffer exists. */ + if (! YY_CURRENT_BUFFER ) + yy_fatal_error( "_mesa_glsl_set_lineno called with no buffer" , yyscanner); + + yylineno = line_number; +} + +/** Set the current column. + * @param line_number + * @param yyscanner The scanner object. + */ +void _mesa_glsl_set_column (int column_no , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + /* column is only valid if an input buffer exists. */ + if (! YY_CURRENT_BUFFER ) + yy_fatal_error( "_mesa_glsl_set_column called with no buffer" , yyscanner); + + yycolumn = column_no; +} + +/** Set the input stream. This does not discard the current + * input buffer. + * @param in_str A readable stream. + * @param yyscanner The scanner object. + * @see _mesa_glsl__switch_to_buffer + */ +void _mesa_glsl_set_in (FILE * in_str , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yyin = in_str ; +} + +void _mesa_glsl_set_out (FILE * out_str , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yyout = out_str ; +} + +int _mesa_glsl_get_debug (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yy_flex_debug; +} + +void _mesa_glsl_set_debug (int bdebug , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yy_flex_debug = bdebug ; +} + +/* Accessor methods for yylval and yylloc */ + +YYSTYPE * _mesa_glsl_get_lval (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yylval; +} + +void _mesa_glsl_set_lval (YYSTYPE * yylval_param , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yylval = yylval_param; +} + +YYLTYPE *_mesa_glsl_get_lloc (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yylloc; +} + +void _mesa_glsl_set_lloc (YYLTYPE * yylloc_param , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yylloc = yylloc_param; +} + +/* User-visible API */ + +/* _mesa_glsl_lex_init is special because it creates the scanner itself, so it is + * the ONLY reentrant function that doesn't take the scanner as the last argument. + * That's why we explicitly handle the declaration, instead of using our macros. + */ + +int _mesa_glsl_lex_init(yyscan_t* ptr_yy_globals) + +{ + if (ptr_yy_globals == NULL){ + errno = EINVAL; + return 1; + } + + *ptr_yy_globals = (yyscan_t) _mesa_glsl_alloc ( sizeof( struct yyguts_t ), NULL ); + + if (*ptr_yy_globals == NULL){ + errno = ENOMEM; + return 1; + } + + /* By setting to 0xAA, we expose bugs in yy_init_globals. Leave at 0x00 for releases. */ + memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t)); + + return yy_init_globals ( *ptr_yy_globals ); +} + +/* _mesa_glsl_lex_init_extra has the same functionality as _mesa_glsl_lex_init, but follows the + * convention of taking the scanner as the last argument. Note however, that + * this is a *pointer* to a scanner, as it will be allocated by this call (and + * is the reason, too, why this function also must handle its own declaration). + * The user defined value in the first argument will be available to _mesa_glsl_alloc in + * the yyextra field. + */ + +int _mesa_glsl_lex_init_extra(YY_EXTRA_TYPE yy_user_defined,yyscan_t* ptr_yy_globals ) + +{ + struct yyguts_t dummy_yyguts; + + _mesa_glsl_set_extra (yy_user_defined, &dummy_yyguts); + + if (ptr_yy_globals == NULL){ + errno = EINVAL; + return 1; + } + + *ptr_yy_globals = (yyscan_t) _mesa_glsl_alloc ( sizeof( struct yyguts_t ), &dummy_yyguts ); + + if (*ptr_yy_globals == NULL){ + errno = ENOMEM; + return 1; + } + + /* By setting to 0xAA, we expose bugs in + yy_init_globals. Leave at 0x00 for releases. */ + memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t)); + + _mesa_glsl_set_extra (yy_user_defined, *ptr_yy_globals); + + return yy_init_globals ( *ptr_yy_globals ); +} + +static int yy_init_globals (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + /* Initialization is the same as for the non-reentrant scanner. + * This function is called from _mesa_glsl_lex_destroy(), so don't allocate here. + */ + + yyg->yy_buffer_stack = 0; + yyg->yy_buffer_stack_top = 0; + yyg->yy_buffer_stack_max = 0; + yyg->yy_c_buf_p = (char *) 0; + yyg->yy_init = 0; + yyg->yy_start = 0; + + yyg->yy_start_stack_ptr = 0; + yyg->yy_start_stack_depth = 0; + yyg->yy_start_stack = NULL; + +/* Defined in main.c */ +#ifdef YY_STDINIT + yyin = stdin; + yyout = stdout; +#else + yyin = (FILE *) 0; + yyout = (FILE *) 0; +#endif + + /* For future reference: Set errno on error, since we are called by + * _mesa_glsl_lex_init() + */ + return 0; +} + +/* _mesa_glsl_lex_destroy is for both reentrant and non-reentrant scanners. */ +int _mesa_glsl_lex_destroy (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + /* Pop the buffer stack, destroying each element. */ + while(YY_CURRENT_BUFFER){ + _mesa_glsl__delete_buffer(YY_CURRENT_BUFFER ,yyscanner ); + YY_CURRENT_BUFFER_LVALUE = NULL; + _mesa_glsl_pop_buffer_state(yyscanner); + } + + /* Destroy the stack itself. */ + _mesa_glsl_free(yyg->yy_buffer_stack ,yyscanner); + yyg->yy_buffer_stack = NULL; + + /* Destroy the start condition stack. */ + _mesa_glsl_free(yyg->yy_start_stack ,yyscanner ); + yyg->yy_start_stack = NULL; + + /* Reset the globals. This is important in a non-reentrant scanner so the next time + * _mesa_glsl_lex() is called, initialization will occur. */ + yy_init_globals( yyscanner); + + /* Destroy the main struct (reentrant only). */ + _mesa_glsl_free ( yyscanner , yyscanner ); + yyscanner = NULL; + return 0; +} + +/* + * Internal utility routines. + */ + +#ifndef yytext_ptr +static void yy_flex_strncpy (char* s1, yyconst char * s2, int n , yyscan_t yyscanner) +{ + register int i; + for ( i = 0; i < n; ++i ) + s1[i] = s2[i]; +} +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * s , yyscan_t yyscanner) +{ + register int n; + for ( n = 0; s[n]; ++n ) + ; + + return n; +} +#endif + +void *_mesa_glsl_alloc (yy_size_t size , yyscan_t yyscanner) +{ + return (void *) malloc( size ); +} + +void *_mesa_glsl_realloc (void * ptr, yy_size_t size , yyscan_t yyscanner) +{ + /* The cast to (char *) in the following accommodates both + * implementations that use char* generic pointers, and those + * that use void* generic pointers. It works with the latter + * because both ANSI C and C++ allow castless assignment from + * any pointer type to void*, and deal with argument conversions + * as though doing an assignment. + */ + return (void *) realloc( (char *) ptr, size ); +} + +void _mesa_glsl_free (void * ptr , yyscan_t yyscanner) +{ + free( (char *) ptr ); /* see _mesa_glsl_realloc() for (char *) cast */ +} + +#define YYTABLES_NAME "yytables" + +#line 325 "glsl_lexer.lpp" + + + +void +_mesa_glsl_lexer_ctor(struct _mesa_glsl_parse_state *state, const char *string) +{ + _mesa_glsl_lex_init_extra(state,& state->scanner); + _mesa_glsl__scan_string(string,state->scanner); +} + +void +_mesa_glsl_lexer_dtor(struct _mesa_glsl_parse_state *state) +{ + _mesa_glsl_lex_destroy(state->scanner); +} + |